|
Hokkaido University Collection of Scholarly and Academic Papers >
Graduate School of Engineering / Faculty of Engineering >
Peer-reviewed Journal Articles, etc >
Hyper-stable organo-Eu-III luminophore under high temperature for photo-industrial application
This item is licensed under:Creative Commons Attribution 4.0 International
| Title: | Hyper-stable organo-Eu-III luminophore under high temperature for photo-industrial application |
| Authors: | Nakajima, Ayako Browse this author | | Nakanishi, Takayuki Browse this author →KAKEN DB | | Kitagawa, Yuichi Browse this author | | Seki, Tomohiro Browse this author →KAKEN DB | | Ito, Hajime Browse this author →KAKEN DB | | Fushimi, Koji Browse this author →KAKEN DB | | Hasegawa, Yasuchika Browse this author →KAKEN DB |
| Keywords: | light-emitting-diodes | | energy-transfer | | lanthanide luminescence | | coordination polymer | | fluorescent lamps | | Eu(III) complexes | | emission | | phosphors | | ligand | | films |
| Issue Date: | 15-Apr-2016 |
| Publisher: | Nature Publishing Group |
| Journal Title: | Scientific reports |
| Volume: | 6 |
| Start Page: | 24458 |
| Publisher DOI: | 10.1038/srep24458 |
| Abstract: | Novel organo-Eu-III luminophores, Eu(hfa)(x)(CPO)(y) and Eu(hfa)(x)(TCPO)(y) (hfa: hexafluoroacetylacetonate, CPO: 4-carboxyphenyl diphenyl phosphine oxide, TCPO: 4,4',4 ''- tricarboxyphenyl phosphine oxide), were synthesized by the complexation of Eu-III ions with hfa moieties and CPO or TCPO ligands. The thermal and luminescent stabilities of the luminophores are extremely high. The decomposition temperature of Eu(hfa)(x)(CPO)(y) and Eu(hfa)(x)(TCPO)(y) were determined as 200 and 450 degrees C, respectively. The luminescence of Eu(hfa)(x)(TCPO)(y) under UV light irradiation was observed even at a high temperature, 400 degrees C. The luminescent properties of Eu(hfa)(x)(CPO)(y) and Eu(hfa)(x)(TCPO)(y) were estimated from emission spectra, quantum yields and lifetime measurements. The energy transfer efficiency from hfa moieties to EuIII ions in Eu(hfa)(x)(TCPO)(y) was 59%. The photosensitized luminescence of hyper-stable Eu(hfa)(x)(TCPO)(y) at 400 degrees C is demonstrated for future photonic applications. |
| Rights: | http://creativecommons.org/licenses/by/4.0/ |
| Type: | article |
| URI: | http://hdl.handle.net/2115/61894 |
| Appears in Collections: | 工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
|
Submitter: 長谷川 靖哉
|
